Finding the Fourth Proportional to 6,440,004.33, 8,887,419.95 and 3,790,371.54
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Solution
The fourth proportional to 6,440,004.33, 8,887,419.95 and 3,790,371.54 is: 5,230,838.66
Step by Step Solution
- Step 1: Write the proportion equation
6,440,004.33 : 8,887,419.95 = 3,790,371.54 : x - Step 2: Convert to fraction form
6,440,004.33/8,887,419.95 = 3,790,371.54/x - Step 3: Cross multiply
6,440,004.33x = 8,887,419.95 × 3,790,371.54 - Step 4: Simplify right side
6,440,004.33x = 33,686,623,642,508.22 - Step 5: Solve for x
x = 33,686,623,642,508.22/6,440,004.33 - Step 6: Final answer
x = 5,230,838.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.